The unanimous institutional accumulation across 12 active managers suggests a shared catalyst thesis for ATAI. With no insider buying to corroborate, monitor for upcoming earnings or pipeline updates that may have driven this positioning. The 45-day reporting lag means positions may have been adjusted since quarter-end.
Executive Summary
12 institutional investors accumulated $7.0M in ATAI during Q2 2026, with zero sellers. Bank of New York Mellon ($4.7M) and Citigroup ($1.3M) led the buying, all via active asset managers. The unanimous accumulation signals a shared positive thesis, though the 45-day 13F lag and lack of insider buying temper conviction.
Key Financial Metrics
Institutional Positions
Net institutional flow: $7.0M
▲ Buyers (12)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Bank Of New York Mellon | DOUBLED | +1855.7% | $4.7M | $4.5M |
| Citigroup | DOUBLED | +388.4% | $1.3M | $1.1M |
| Truist Financial | DOUBLED | +358% | $396.0K | $338.0K |
| Vontobel Holding | DOUBLED | +279.4% | $400.0K | $329.0K |
| State Of New Jersey Common Pension Fund D | ADD | +35.1% | $402.0K | $202.0K |
| Hightower Advisors | ADD | +61.6% | $325.0K | $190.0K |
| Pictet Asset Management Holding | ADD | +61.1% | $189.0K | $110.0K |
| Russell Investments Group | DOUBLED | +111400% | $135.0K | $135.0K |
| Farther Finance Advisors | DOUBLED | +2200% | $121.00 | $117.00 |
| Universal- Beteiligungs- Und | ADD | +45.2% | $77.0K | $41.0K |
Key Facts
- 12 institutions increased positions, 0 reduced; net buying of $7.0M
- Bank of New York Mellon doubled its stake to $4.7M (+1,855.7% shares)
- Citigroup doubled to $1.3M (+388.4% shares)
- Truist Financial, Vontobel Holding, and State Of New Jersey Common Pension Fund also added materially
- No insider open-market buying (confluence score 21/100, divergent)
Financial Impact
12 institutions accumulated $7.0M in new positions, with Bank of New York Mellon ($4.7M) and Citigroup ($1.3M) accounting for 86% of the total buying
Risk Factors
- 13F data is 45 days stale; positions may have been partially or fully unwound
- No insider buying to corroborate the institutional thesis
- Historical calibration shows score-6 filings on ATAI have a 56% win rate at T+20, but average alpha is modest (+1.67% net after costs)
Market Snapshot
Documents Analyzed
This report is based on 1 institutional 13F filing from SEC EDGAR.
| Document | Accession Number |
|---|---|
| INST-CLUSTER Data (Synthetic) | inst-cluster-ATAI-2026-Q2 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 11, 2026 21d ago | 25-NSE | $7.30 awaiting T+20 | awaiting T+20 | — | — |
Aug 10, 2026 7w ago | DEFM14A | $7.25 $7.28 | ▲ +0.41% | ▲ +1.33% | — |
Aug 9, 2026 7w ago | Institutional Cluster | $7.25 $7.28 | ▲ +0.41% | ▲ +1.33% | — |
Jul 16, 2026 11w ago | DEFA14A / 8-K | $7.15 $7.25 | ▲ +1.40% | ▼ −2.22% | — |
Jul 7, 2026 12w ago | 144 | $5.17 $7.22 | ▲ +39.65% | ▲ +36.38% | — |
Jul 6, 2026 12w ago | Press Release | $4.96 $7.18 | ▲ +44.76% | ▲ +45.32% | — |
Jun 26, 2026 14w ago | 144 | $5.36 $7.18 | ▲ +33.96% | ▲ +34.23% | — |
Jun 25, 2026 14w ago | 144 | $5.29 $7.17 | ▲ +35.54% | ▲ +34.28% | — |
Jun 3, 2026 17w ago | 8-K | $4.53 $5.19 | ▲ +14.57% | ▲ +15.57% | — |
May 12, 2026 20w ago | Press Release | $4.15 $3.78 | ▼ −8.92% | ▼ −7.19% | — |
US Market Status
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